Dispensing cartridge holder



FIG. 1 is a front perspective view of a dispensing cartridge holder showing our new design for use in a spa or a hot tub filter well;

FIG. 2 is front side elevation thereof;

FIG. 3 is a left side elevation thereof;

FIG. 4 is a backside elevation view thereof

FIG. 5 is a right side elevation thereof;

FIG. 6 is top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design for a dispensing cartridge holder, as shown and described. 